Model

 GDS-307

GDS-310

GDS-320

GDS-207

GDS-210

GDS-220

 VERTICAL      

 Channels

2 (BNC-Shield)      

 Input Impedance

1MΩ±2%, 16.5pf approx.      

Maximum Input 

 CAT II 300VRMS     

Input Coupling 

 AC, DC, GND     

 Bandwidth

 DC~70MHz (-3dB)

DC~100MHz (-3dB) 

 DC~200MHz (-3dB)

DC~70MHz (-3dB) 

DC~100MHz (-3dB) 

 DC~200MHz (-3dB)

 Rise time

 <5ns

 <3.5ns

<1.75ns 

<5ns 

<3.5ns 

<1.75ns 

 Sensitivity

 2mV/div~10V/div (1-2-5 increments)     

 Accuracy

 ±(3% x Readout + 0.1 div + 1mV)     

 Bandwidth Limit

 20MHz(-3dB)     

 Polarity

 Normal, Invert     

Offset Position Range 

 2mV/div~50mV/div : ±0.4V
100mV/div~500mV/div : ±4V
1V/div~5V/div : ±40V
10V/div : ±300V     

 SIGNAL ACQUISITION      

 Realtime sample rate

1GSa/s      

 Memory depth

5M points per ch   

1M points per ch   

 Acquisition mode

 Average: 2~256 waveforms
Peak detect: 10ns
sin(x)/x or ET     

 Replay wfms.

30,000 wfms.

 TRIGGER      

 Source

Ch1 or Ch2  

 Trigger mode

Auto, Normal, Single, Force      

Trigger type

Edge, Pulse Width, Video, Alternate   

 Trigger Holdoff

10ns ~ 10s      

Coupling

AC, DC, LFR, HFR, NR  

 Sensitivity

DC~25MHz: approx. 0.5div or 5mV
25MHz~ 70/100/200MHz: approx. 1.5div or 15mV      

 HORIZONTAL 

 Range

 5ns~100s/Div (1-2-5 increments)     

 Roll

100ms/div ~ 100s/div

Pre-trigger 

 10 div max.     

 Post_trigger

1,000 div max(depend on time base)

 Accuracy

±20ppm over any > 1ms time interval      

XY MODE

Phase Shift 

 ±3° at 100KHz     

CURSOR AND MEASUREMENT

 Cursors

 Voltage difference between cursors(△V), Time difference between cursors(△T), frequency measure(1/△T)     

 Auto-measurement

36 sets.

 Auto-counter

6 digits. Range: 2Hz to rated bandwidth      

Autoset

Available

 TEMPERATURE MEASUREMENT

Available   

Non-Available   

MISCELLANEOUS

Multi-Language Menu 

Available

 On-line Help

Available

 Time and Clock

Available

 BATTERY

Battery power 

Li-polymer 6100mA/hr, 7.4V (Built-in)      

 Charge time

 2.0 hour (75%)     

 Operation time

 4.1 hour, depending on operating condition.     

 PROBE COMPENSATION      

 2V, 1KHz, 50% Duty cycle     

 INTERFACE      

 USB

 USB Device (Isolation)     

 Internal Flash Disk

 120MB     

DISPLAY       

 Type

 7 inch     

 Display resolution

480 x 800 pixels      

 Display direction

 Landscape & Portrait     

 Backlight control

 Manual adjustable, ECO mode     

 Touch panel

 Capacitive     

 POWER ADAPTOR      

 Line Voltage

 AC 100V~240V, 48~63Hz, Power Consumption 40W     

DC Output 

 DC Output: 12V/3A, Double Shield     

 OPTION      

 Differential Probe

 Dual-channel, 40MHz, CAT II 600V     

 DIMENSIONS & WEIGHT      

1.5Kg,  HxWxD(mm)  240mm x 136mm x60 mm      

 DMM (Digital Multi-Meter)  

 DIGIT LEVEL 

 50,000 counts  

 5,000 counts  

 CAT II 600VRMS, CAT III 300VRMS     

DC VOLTAGE

 Range

50mV, 500mV, 5V, 50V, 500V,  1000V  6 ranges      

 Accuracy

GDS-307/310/320: 50mV, 500mV, 5V, 50V, 500V ±(0.05% + 5 digits), 1000V ±(0.1% + 5 digits) 

GDS-207/210/220: 50mV, 500mV, 5V, 50V, 500V, 1000V ±(0.1% + 5 digits)

Input Impedance 

10MΩ      

 DC CURRENT

 Range

 50mA, 500mA,  10A   3 ranges     

 Accuracy

GDS-307/310/320: 50mA - 500mA, 2 Ranges, ±(0.1% + 5 digits), 10A ±(0.5% + 1 digits) 
GDS-207/210/220: 50mA - 500mA, 10A 3 Ranges, ±(0.5% + 1 digits)      

 AC VOLTAGE

 Range

 50mV, 500mV, 5V, 50V, 700V  5 ranges     

 Accuracy

 50mV, 500mV, 5V, 50V, 700V ±(1.5% + 15 digits) at 50Hz-1kHz     

 AC CURRENT

 Range

50mA, 500mA, 10A 3 ranges      

 Accuracy

 50mA, 500mA, ±(1.5% + 15 digits) at 50Hz-1kHz 
10A ±(3% + 15 digits) at 50Hz-1kHz

* Measure range: >10mA     

 RESISTANCE

 Range

500Ω, 5kΩ, 50kΩ, 500kΩ, 5MΩ, 5 range      

 Accuracy

500Ω, 5kΩ, 50kΩ, 500kΩ ±(0.3% + 3 digits)
5MΩ ±(0.5% + 5 digits)

* Measure range: 50Ω to 5MΩ 

 DIODE TEST

Maximum forward voltage 1.5V, Open voltage 2.8V      

 CONTINUITY BEEP

 < 15 Ω     

 FUNCTIONS

 Auto Range, Max, Min, Hold, Trend plot